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IB/ehca: Activate scaling code by default

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Change ehca's Kconfig to activates scaling code as default.  After
several measurements we saw that this feature prevents dropped packets
(UD) in stress situation. Thus, enabling it helps to improve ehca's
bandwidth through IPoIB.

Signed-off-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Hoang-Nam Nguyen 2006-11-05 21:42:20 +01:00 committed by Roland Dreier
parent c58121143f
commit f2c238a0c5
1 changed files with 1 additions and 0 deletions
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drivers/infiniband/hw/ehca/Kconfig
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@ -10,6 +10,7 @@ config INFINIBAND_EHCA
config INFINIBAND_EHCA_SCALING
bool "Scaling support (EXPERIMENTAL)"
depends on IBMEBUS && INFINIBAND_EHCA && HOTPLUG_CPU && EXPERIMENTAL
default y
---help---
eHCA scaling support schedules the CQ callbacks to different CPUs.